5000 Piece/Pieces per Month WhatsApp:+86 132-9662-4177
Packaging & Delivery
Strong plastic / Carton/Wooden Case
China ( Mainland)
Sanmeul M14 Thread PDC Drill Bit for Coal Mining Drilling/PDC Bits
According to different purposes, drill bits are classified into cemented carbide bolting drill bits and PDC bolting drill bits applied to coal mining and laneway and tunnel supporting grid, PDC solid drill bits applied to coalfield geological condition and gas drainage, water injection and drainage down coal mines, and PDC non-solid drill bits applied to coalfield and geological exploration.